piankabioboot {pgirmess}R Documentation

Bootstrap Pianka's index

Description

Bootstrap Pianka's index and return the limits of the empirical confidence interval specified with probs

Usage

piankabioboot(dataframe1, dataframe2, B = 1000, probs = c(0.025, 0.975))

Arguments

dataframe1 a data frame of two columns: column 1 = dietary category, column 2 = biomass
dataframe2 a data frame of two columns: column 1 = dietary category, column 2 = biomass
B number of permutations
probs the limits of the confidence interval

Details

Bootstrap Pianka's index and return the limits of the empirical confidence interval sepcified with probs

Value

a vector of the two CI limits

Author(s)

Patrick Giraudoux <pgiraudo@univ-fcomte.fr>

See Also

piankabio

Examples

data(preybiom)
attach(preybiom)
jackal<-preybiom[site=="Y" & sp=="C",5:6]
genet<-preybiom[site=="Y" & sp=="G",5:6]

piankabioboot(jackal,genet,B=100)
  

[Package pgirmess version 1.3.8 Index]